Abstract: In this article, we propose an optical sensor system utilizing the capabilities of hollow-core photonic crystal fiber (HC-PCF) to transmit excitation light and hold sample gas. The direct ...

Abstract: In this study, an improved heterodyne demodulation quartz-enhanced photoacoustic spectroscopy (IHD-QEPAS) gas sensor is demonstrated, employing an erbium-doped fiber (EDF)-ring laser for the ...

A strange, glowing form of matter called dusty plasma turns out to be incredibly sensitive to magnetic fields. Researchers found that even weak fields can change how tiny particles grow, simply by ...

The Winona Daily News aims to recognize the accomplishments of girl athletes competing in high school sports within our ...

As the basketball season comes to a close, here are five uncommitted Winona area players that have potential to play at the ...